85323764 has 6 divisors (see below), whose sum is σ = 149316594. Its totient is φ = 42661880.

The previous prime is 85323761. The next prime is 85323793. The reversal of 85323764 is 46732358.

It can be written as a sum of positive squares in only one way, i.e., 43824400 + 41499364 = 6620^2 + 6442^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85323761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10665467 + ... + 10665474.

It is an arithmetic number, because the mean of its divisors is an integer number (24886099).

Almost surely, 2^85323764 is an apocalyptic number.

It is an amenable number.

85323764 is a deficient number, since it is larger than the sum of its proper divisors (63992830).

85323764 is a wasteful number, since it uses less digits than its factorization.

85323764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21330945 (or 21330943 counting only the distinct ones).

The product of its digits is 120960, while the sum is 38.

The square root of 85323764 is about 9237.0863371520. The cubic root of 85323764 is about 440.2405090070.

The spelling of 85323764 in words is "eighty-five million, three hundred twenty-three thousand, seven hundred sixty-four".